Northern Mariana Islands Country Code
The country code for Northern Mariana Islands is +1. It is shared with 24 other countries, so a +1 number does not identify Northern Mariana Islands on its own.
- Calling code
- +1
- ISO code
- MP · MNP
- Region
- Oceania
- Dialling out
- 011
How to call Northern Mariana Islands from the US
011+1+local number
011 is the US and Canadian exit code; from a mobile you can dial + instead, anywhere in the world. Numbers written locally in Northern Mariana Islands start with a 1 — drop it when you dial in from abroad.
| Line type | Dial from abroad |
|---|---|
| Fixed line | +1 6702345678 |
Calling out of Northern Mariana Islands
To call abroad from Northern Mariana Islands, dial 011 before the destination's country code. From a mobile, + works instead.
Other countries on +1
- American Samoa
- Anguilla
- Antigua and Barbuda
- Bahamas
- Barbados
- Bermuda
- British Virgin Islands
- Canada
- Cayman Islands
- Dominica
- Dominican Republic
- Grenada
- Guam
- Jamaica
- Montserrat
- Puerto Rico
- Saint Kitts and Nevis
- Saint Lucia
- Saint Vincent and Grenadines
- Sint Maarten
- Trinidad and Tobago
- Turks and Caicos Islands
- U.S. Virgin Islands
- United States
Scope the Northern Mariana Islands calling code and its dialing rules. Source datasets/country-codes (E.164 + ISO 3166) (ITU-T E.164 + ISO 3166, 2026-07 release) and libphonenumber PhoneNumberMetadata (Google) (libphonenumber master, 2026-08 snapshot). Updated . Example numbers are the numbering plan's own published examples, not real subscriber lines.